Finding the Fourth Proportional to 1,523,916.87, 2,102,924.43 and 870,414.54
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Solution
The fourth proportional to 1,523,916.87, 2,102,924.43 and 870,414.54 is: 1,201,125.89
Step by Step Solution
- Step 1: Write the proportion equation
1,523,916.87 : 2,102,924.43 = 870,414.54 : x - Step 2: Convert to fraction form
1,523,916.87/2,102,924.43 = 870,414.54/x - Step 3: Cross multiply
1,523,916.87x = 2,102,924.43 × 870,414.54 - Step 4: Simplify right side
1,523,916.87x = 1,830,416,000,393.21 - Step 5: Solve for x
x = 1,830,416,000,393.21/1,523,916.87 - Step 6: Final answer
x = 1,201,125.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.